Home / 8,426.84-11,629.14-4,700.84

Finding the Fourth Proportional to 8,426.84, 11,629.14 and 4,700.84

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Solution

The fourth proportional to 8,426.84, 11,629.14 and 4,700.84 is: 6,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.84 : 11,629.14 = 4,700.84 : x
  2. Step 2: Convert to fraction form
    8,426.84/11,629.14 = 4,700.84/x
  3. Step 3: Cross multiply
    8,426.84x = 11,629.14 × 4,700.84
  4. Step 4: Simplify right side
    8,426.84x = 54,666,726.48
  5. Step 5: Solve for x
    x = 54,666,726.48/8,426.84
  6. Step 6: Final answer
    x = 6,487.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.